After humidity and the intensity and number of thunderstorms diminish into Friday, the weekend will bring a buildup of humidity and the risk of storms around Pittsburgh.
High temperatures are forecast to be in the low to middle 80s F Saturday and Sunday.
While there may be spotty thunderstorms developing on Saturday, Sunday is likely to turn out unsettled with the risk of multiple showers and thunderstorms.
One or more rounds of severe weather are possible in the Northeast as unseasonably cool air swings into the Midwest.
Some of that unseasonably cool air will reach Pittsburgh during the middle and latter part of next week.
Temperatures are projected to be no better than the 70s for multiple days next week around the city, during what is the typically the hottest time of the year. High temperatures average in the middle 80s during the middle of July.
In the mountains, nighttime temperatures could dip into the 40s with daytime highs in the 60s for a time later next week.
While prospects for a white Christmas are grim along the I-95 corridor, many communities from the Great Lakes to the Rockies should enjoy the desired snowy scene for the holiday.
People who are dreaming of a white Christmas across the interior Northwest may see their dreams come true this year as another storm impacts the region.
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Several fast-moving storm systems will bring windy and wet weather to the British Isles and northern Europe.
A storm bearing gusty winds, heavy snow, torrential rain, thunderstorms and fog will converge on the East and Midwest on Christmas Eve and will likely create ground and flight delays.
Biologist Jamie Urqhart discovered dozens of pancakelike saucers floating along Scotland's River Dee.
Elk Park, MT (1983)
Unofficially -64 degrees F. (nation's all time record low is -70 degrees F.).
New Orleans, LA (1989)
1" of snow.
Chicago, IL (1993)
Only 0.2" of snow to this point in the season an all time low for so late in the season.